.jd_layout {
  width:100%;
  /* 最大宽度 */
  max-width: 640px;
  /* 最小宽度 */
  min-width: 320px;
  background-color: #efefef;
  margin : 0 auto;
}

/* 顶部搜索块 */
.jd_search {
  position: fixed;
  top:0;
  max-width: 640px;
  width:100%;
  height:40px;
  background-color: #f00;
  z-index: 999;
}
.jd_logo {
  position: absolute;
  width:56px;
  height:40px;
  top:5px;;
  left: 10px;
  background: url("../images/jd-sprites.png") no-repeat;
  background-size: 200px 200px;
  background-position: 0 -108px;
}
.jd_login {
  width:40px;
  height: 40px;
  position: absolute;
  right:0;
  top:0;
  line-height: 40px;
}
.jd_searchBox{
  width:100%;
  height:100%;
  padding-left:76px;
  padding-right:60px;
}
.jd_searchBox > input{
  width:100%;
  height:30px;
  margin-top: 5px;
  border-radius: 15px;
  padding-left: 30px;
  color:#666;
  font-size: 14px;
}
.jd_searchBox::before{
  content:"";
  left:84px;
  top:10px;
  width:19px;
  height: 19px;
  position: absolute;
  background: url("../images/jd-sprites.png") no-repeat -60px -110px;
  background-size: 200px 200px;
}


/* 轮播图 */
.jd_banner{
  position: relative;
  width:100%;
  overflow: hidden;
  /* padding-top: 40px */
}
.jd_bannerImg{
  width:800%;
}
.jd_bannerImg> li {
  width:12.5%;
  float: left;
}
.jd_bannerImg> li img {
  width:100%;
  display: block;
}
/* 小点 */
.jd_bannerIndicator{
  /* width:128px; */
  height:6px;
  position: absolute;
  left:50%;
  transform: translateX(-50%);
  bottom: 5px;

}
.jd_bannerIndicator li{
  width:6px ;
  height:6px;
  border:1px solid #fff;
  border-radius: 50%;
  float: left;
  margin: 0 5px;  
}
.jd_bannerIndicator li.active{
  background-color: #fff;
}

/* 导航块 */
.jd_nav {
  width:100%;
  padding:10px 0;
  background-color: #fff;
}

.jd_nav li{
  width:25%;
  float: left;
  text-align: center;
  margin-top: 5px;
}
.jd_nav li p{
  line-height: 25px;
}
.jd_nav li img{
  width:40px;
}

/* 产品块 */
.jd_product {
  width:100%;
}
.jd_productBox{
  width:100%;
  background-color: #fff;
  box-shadow: 1px 1px 6px rgba(0,0,0,.2);
  margin-top:10px;
}
.jd_productBox> .jd_pTip{
  border-bottom: 1px solid #ccc;
  height: 30px;
  line-height: 30px;
  color:#666;
  
}
.jd_productBox .jd_pTip > h3{
  position: relative;
  padding-left: 30px;
}
.jd_productBox .jd_pTip > h3::before{
  content: "";
  position: absolute;
  top:8px;
  left:22px;
  width:3px;
  height:13px;
  background-color: #e92322;
}
.jd_pContent{
  width:100%;
}

.a_50{
  width:50%;
  display: block;
}
.a_50>img{
  width:100%;
  display: block;
}

.b_left{
  border-left: 1px solid #ccc;
}
.b_right{
  border-right: 1px solid #ccc;
}
.b_bottom{
  border-bottom: 1px solid #ccc;
}
.b_top{
  border-top: 1px solid #ccc;
}
.jd_sk{}
.jd_sk>.jd_pTip{
  border-bottom: none;
}
.jd_sk>.jd_pTip .jd_sk_icon{
  width:16px;
  height:20px;
  background: url("../images/seckill-icon.png") no-repeat;
  background-size: 16px 20px;
  margin: 3px 10px 0 10px;
}
.jd_sk>.jd_pTip .jd_sk_text{
  color:#e92322;
  margin-right:10px;
}
.jd_sk>.jd_pTip .jd_sk_time{
}
.jd_sk>.jd_pTip .jd_sk_time span{
  display: inline-block;
  width:13px;
  height:18px;
  line-height: 18px;
  text-align: center;
  background-color: #000;
  color:#fff;
}
.jd_sk>.jd_pTip .jd_sk_time span:nth-child(3n){
  width:8px;
  color:#000;
  background-color:transparent;
}
.jd_right{
  padding-right: 10px;
}
.jd_sk> .jd_pContent{
  padding: 10px 0;  
  width:100%;
}
.jd_sk> .jd_pContent ul li {
  float: left;
  width:33.33%;
  text-align: center;
  border-right: 1px solid #ccc;
}
.jd_sk> .jd_pContent ul li img{
  width:60%;
  display: inline-block;
}
.jd_sk> .jd_pContent ul li .jd_newPrice{
  color:#e92322;
  font-size: 18px;
}
.jd_sk> .jd_pContent ul li .jd_oldPrice{
  text-decoration: line-through;
  color:#ddd;
}